1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Not Yet Found
Japan, Oman
1.1.2 Afrika
South Africa
South Africa
1.1.3 Eropah
Finland, Norway, Portugal
France, Germany, Italy, Venezuela
1.1.4 lain
belum menemukan
pulau hawaii, mid-Atlantik ridge
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
1.3 deposito di oceania benua
1.3.1 Australia
Not Yet Found
Not Yet Found